the.com/tcp
The protocol that turns chaos into ordered conversation between computers.
means Transmission Control Protocol—the internet's agreement that data arrives intact, in order, and verified, even when the path between computers is unreliable.
from Invented in the 1970s by Vint Cerf and Bob Kahn as part of the original Internet Protocol Suite, TCP solved the hard problem of making digital conversation reliable over networks designed to survive nuclear war by routing packets randomly.
handshake ritualRequires three-way conversation before any data moves.
port systemUses 65,535 numbered doors; port 80 handles web traffic.
versus udpTCP guarantees delivery; UDP just fires and hopes.
ubiquityPowers email, web, ssh, ftp—basically everything that matters.